American Psycho is a 2000 psychological thriller film based on the novel of the same name by Bret Easton Ellis. Christian Bale portrays Patrick Bateman, a wealthy investment banker with a dark secret. Bale's performance as Bateman is chilling and mesmerizing, capturing the character's psychopathic tendencies and obsession with materialism. The film delves into themes of identity, consumerism, and the dark underbelly of the American dream. Bale's portrayal of Bateman is widely praised as one of his most memorable roles.